June 1944, that pivotal month in the course of 20th-century history, could be aptly framed as “A Tale of Two D-Days.”

The Colombian government announced in March that it will launch an expedition to recover priceless artifacts from what has been called “the Holy Grail of shipwrecks.”

The UK Ministry of Defence’s Salvage and Marine Operations (SALMO) unit has conducted a survey of the historic World War I wreck of the USS Jacob Jones.

When the coastal trading vessel Mastico sailed from Tripoli Harbor in North Africa in December 1803, her master set a course into the dangerous waters of the Mediterranean.

Borne by the armies of Napoleon Bonaparte, the French revolutionary spirit spread like a virus across Europe in the late 18th century.

It did not take long for the weaponeers to come up with a cost-effective solution to this gunboat threat: rapid-firing small-caliber guns with enough hitting power and range to cripple...

How a gang of merry pranksters dressed up as comic-opera “Abyssinian royals” and bamboozled the Royal Navy into a red-carpet tour of the pride of the fleet.

The world’s polar regions are gaining in maritime importance; for a century and a half, the U.S. Coast Guard and its ancestor, the U.S. Revenue Cutter Service, have been already...

A statue of Prince Henry the Navigator welcomes visitors at the entrance hall, and behind him is a map of the world, showing the routes of Portuguese explorers.

British historian Peter Padfield described the Dutch victory in the Medway as “one of the most brilliant strokes with the most immediate and obvious effects in the history of naval...